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Plasma‐derived biomarkers of Alzheimer's disease and neuropsychiatric symptoms: A community‐based study

Krell-Roesch, Janina ORCID iD icon 1; Zaniletti, Isabella; Syrjanen, Jeremy A.; Kremers, Walter K.; Algeciras-Schimnich, Alicia; Dage, Jeffrey L.; van Harten, Argonde C.; Fields, Julie A.; Knopman, David S.; Jack, Clifford R., Jr; Petersen, Ronald C.; Vassilaki, Maria; Geda, Yonas E.
1 Institut für Sport und Sportwissenschaft (IfSS), Karlsruher Institut für Technologie (KIT)

Abstract:

INTRODUCTION: We examined associations between plasma-derived biomarkers of Alzheimer's disease (AD) and neuropsychiatric symptoms (NPS) in community-dwelling older adults.
METHODS: Cross-sectional study involving 1005 persons ≥50 years of age (mean 74 years, 564 male, 118 cognitively impaired), who completed plasma-derived biomarker (amyloid beta 42 [Aβ42]/Aβ40, phosphorylated tau 181 [p-tau181], p-tau217, total tau [t-tau], neurofilament light [NfL]), and NPS assessment.
RESULTS: P-tau181 (odds ratio [OR] 2.06, 95% confidence interval [CI] 1.41–3.00, p < 0.001), p-tau217 (OR 1.70, 95% CI 1.10–2.61, p = 0.016), and t-tau (OR 1.44, 95% CI 1.08–1.92, p = 0.012) were associated with appetite change. We also found that p-tau181 and p-tau217 were associated with increased symptoms of agitation (OR 1.93, 95% CI 1.20–3.11, p = 0.007 and OR 2.04, 95% CI 1.21–3.42, p = 0.007, respectively), and disinhibition (OR 2.39, 95% CI 1.45–3.93, p = 0.001 and OR 2.30, 95% CI 1.33–3.98, p = 0.003, respectively). Aβ42/Aβ40 and NfL were not associated with NPS.
CONCLUSION: Higher plasma-derived p-tau181 and p-tau217 levels are associated with increased symptoms of appetite change, agitation, and disinhibition. ... mehr


Verlagsausgabe §
DOI: 10.5445/IR/1000161533
Veröffentlicht am 21.08.2023
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Sport und Sportwissenschaft (IfSS)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 07.2023
Sprache Englisch
Identifikator ISSN: 2352-8729
KITopen-ID: 1000161533
Erschienen in Alzheimer’s and Dementia: Diagnosis, Assessment and Disease Monitoring
Verlag Wiley Open Access
Band 15
Heft 3
Seiten Art.-Nr.: e12461
Vorab online veröffentlicht am 30.07.2023
Schlagwörter Alzheimer's disease, neuropsychiatric symptoms, plasma biomarkers
Nachgewiesen in Dimensions
Scopus
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